查询词典 combinatorial optimization problem

The thesis also applies FE sub-model and numerical optimization design techniques to conduct the cross-section configuration optimization for the wings joint of some unpiloted air vehicle project, with the light weight objective and the balance of pin-load distribution at each row screws, which lays an excellent design foundation for reducing the around-hole stress concentration and its life improvement.

论文还应用子模型法对某无人机机翼前后段连接接头的截面构形进行了优化，使各列铆钉上的钉载趋于均匀，为降低紧固件孔边应力集中奠定了设计分析基础。

With the improvements to the initial population and disposal of objective function, we choose DE as the searching method in EAFSC to investigate it performance in classic unrestraint optimization, Minimax Optimization and nonlinear equations.

其次结合对初始种群和目标函数的处理，以DE为例分别探讨EAFSC在典型的无约束优化、Minimax优化和约束优化问题、非线性方程及方程组求根中的应用。

Although SIMD optimization is a part of vectorization, the traditional vectorization technique could not be simply transplanted to SIMD optimization due to the differences between vector processor and SIMD architecture.

虽然，SIMD编译优化技术隶属于向量化技术，然而，由于通用处理器中集成的多媒体部件与传统的向量处理器之间存在着显著的差异，致使传统的向量化技术无法被简单地移植于SIMD编译优化中。

Much work has been done on multi-objective optimization methods to make them turn from deterministic searching algorithm to stochastic searching one, and from single objective optimizing method in nature to veritably vector optimization method. At present there are still many unsolved problems on it.

摘 要 多目标优化方法经历了一个从确定性搜索算法到随机搜索算法的过程，本质上仍是单目标优化的目标组合方法到真正意义上的向量优化方法的过程，至今仍在不断地发展中，但仍有大量未解决的问题。

The aim of the optimization is to obtain minimum structure, the smartness of the machine and the max velocity and acceleration of the actuators were taken into account in optimization.(4) The inverse and forward static models of the machine were established by using virtual displacement principle.

提出了基于机床加工空间的机构参数优化方法，该法以所得并联机构的结构较小为目标，同时兼顾机构的灵巧性以及驱动关节的最大驱动速度和最大驱动加速度。

The method to determine the limited temperature for dry/wet running conditions was presented. Multi-object frame optimization model were developed. Combined with the thermal and hydraulic correlations for dry/wet conditions of plate wet air cooler, the optimization model can be used to optimize the dry/wet limited temperature and frame parameters.

提出了湿式空冷器干湿工况运行界限温度的确定方法，建立了板式湿式空冷器多目标结构优化模型，结合实验得到的干湿工况下板束内外侧阻力、传热传质关联式以及喷淋水膜对流换热关联式，该优化模型可用于干湿工况运行界限温度与结构参数的优化。

On the base, integrated development environment of VB is used to develop software of simulation and optimization of AHT cycle system. After the software ASS is developed, it is applied to an industrial instance, including process simulation, thermal analysis and specific heating load optimization.

在此基础上，利用VB集成开发环境，展开了AHT吸收循环系统模拟优化软件的开发工作，并开发出软件ASS，实现了过程模拟优化计算，包括：过程模拟、热力学分析和比供热率优化等计算模块。

According to the shortage of traditional single-objective optimization, the thesis proposes to use amendatory objective function parameters optimization.

针对传统的单目标优化的弊端，提出采用修正的目标函数参数优选法。

A simulation-based model is applied to describing the phased-mission system with multi-repairer. Algorithms for calculation of the optimization quantity of spare parts are provided. To examine the applicability of the method, some examples are presented in this paper. Finally, the optimization quantity of spare parts following exponential distribution are calculated with both this method and analysable method.

近年来，许多学者在这方面进行研究，如文献[1]介绍了单阶段任务条件下部件寿命服从指数分布的备件携行量计算方法；文献[2]给出了其它几种特殊分布的计算方法，但都是针对单阶段任务条件下部件不可修情况的；文献[3]给出了一种基于BDD的多阶段任务备件携行量计算方法，但仍是仅研究了指数分布、且任务期间部件不可修的情况。

The paper is mainly on the process control of NPP management from the view of proprietor, so it is of great pertinence for it involves the process controlling system, checking methods for the schedule, adjustment and optimization as well as various factors and analysis that influence the overall process. Meanwhile, the paper summarizes more practical checking and comparative methods as well as the application of software from the project management instead of discoursing on the adjustment for the original schedule from the angle of confusing network optimization, it is in this unique style that the research is naturally of more practical and appliable significance for the management of process control in nuclear plant.

本文主要从业主方面研究核电站项目管理的进度控制，从扩建工程的进度控制体系，进度计划的检查方法、计划的优化与调整，影响进度的各种原因及分析，并采取的有效措施，因而本文具有鲜明的针对性；本文未从复杂的网络优化的角度去论述对原进度计划进行调整，而是总结了项目管理中应用较多的检查、比较方法及项目管理软件的应用，从而使得本文的研究具有较强的可操作性，和实际应用意义。

A strange and mysterious deep sea creature.

一种奇异、神秘的深海生物。

It's a yellow rectangle .

这是黄色的长方形。